JPS60204522A - Absorbing device - Google Patents

Abstract

PURPOSE:To prevent, plastic articles such as, for example, tiles, from being broken, in an absorbing device for stacking up plastic articles, by enabling a plurality of plastic articls to be stacked up without being broken even though their receiving surfaces have different heights. CONSTITUTION:A coupling member 5 for coupling between an absorbing pad 13 in an absorbing device and a base frame 1 is formed to be retratable so that the distance therebetween are approachable, and as well, the absorbing pad 13 is normally urged downward by such a small force that the absorbing pad 13 whic has absorbed a plastic article 17 is inhibited from floating up toward the base frame 1. Accordingly, when the base frame 1 is lowered down to a stacking position 2 under such a condition that the plastic article 17 is absorbed to the absorbing pad 13 so that the plastic article 17 absorbed by the absorbing pad 13 is superposed on the receiving surface 18a of another plastic article. Thereafter, when the base frame 1 is further lowered, a plastic article 17 absorbed by another absorbing pad 13 is superposed on the receiving surface 17b.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a suction device for stacking molded products such as tiles. More specifically, the present invention relates to a suction device that allows a plurality of molded products formed by a press device to be simultaneously piled up in parallel on a firing trolley.

If the thickness of the above-mentioned molded products varies during molding or the number of molded products stacked at the stacking position varies, the stacked height will differ for each pile. For this reason, in conventional equipment, that is, equipment in which multiple suction pads are arranged side by side on the underside of the base frame, when all the molded products are separated at the position that matches the pile of molded products stacked high, the There is a problem in that the molded products that are to be placed on the pile may fall and be damaged. Furthermore, if the base frame is lowered to match the pile of molded products stacked low, the tiles to be stacked on top of it will be pressed against the pile of molded products piled high with strong force. However, there was still the problem that the molded product would be damaged.

Therefore, the present invention is designed to eliminate the above-mentioned problems.
To provide a suction device capable of stacking molded products on any of them without damaging them even if there is a difference in height between the receiving surfaces of a plurality of molded products.

The drawings showing the embodiments of the present application will be described below.

In FIG. 1, l is the base frame, and the illustrated stacking position 2 (
For example, it is configured to be movable in the horizontal direction between the upper surface of a baking cart (shown (shown)) and a suction position (not shown), and to be able to move up and down at each position.

The base frame 1 is formed hollow and has a connecting portion 1a on its upper surface for connecting to a vacuum generator. Reference numeral 3 denotes a plurality of through holes provided in the lower surface of the base frame l, and a plurality of through holes are arranged in parallel. Next, reference numeral 4 indicates a suction unit attached to the lower surface of the base frame 1 in correspondence with the through hole 3. In this, a guide pin 5 (also called a connecting member) is formed in a hollow cylindrical shape, and is connected to the through hole 3 through a rubber retaining ring 8.
It is inserted into the base frame 1 and fixed to the base frame 1 using a gasket 6 and a nut 7. Reference numeral 9 indicates a fitting groove provided around the outer peripheral surface of the rubber stopper ring 8. A sliding bearing attached to the 10d guide pin 5 allows it to slide up and down along the guide pin 5. 2 is a biasing member for biasing the bottom bearing 10 downward, and a compression spring is used.

L indicates a stopper ring provided at the lower end of the guide pin 5. Reference numeral 13 denotes a suction pad, which is made of an elastic material such as rubber and is attached to the sliding bearing 1o. Reference numeral 14 denotes a bellows for enclosing, which is made of an elastic material such as rubber and is formed integrally with the suction pad 13, or is formed separately and then connected to the suction pad ribs. Further, its upper end is connected to the fitting groove 9 in a fitting manner. Reference numeral 15 denotes an air hole, which allows air to enter and exit the bellows 14.

In the structure described above, the pressure inside the base frame 1 is reduced at a suction position (not shown), and each molded product 17 such as a tile is converted into a suction pad by forming each suction unit 4 into a suction pad. is adsorbed to. In the suction state, the suction pad is lowered to the lowest position along the guide pin 5 by the biasing member 11. In order to maintain such a lowered state, the degree of pressure reduction inside the base frame 1 and the urging force of the urging member 11 are determined in advance according to the weight of the suction pad, the molded product 17, etc. Note that the biasing member 11 does not use a spring as described above,
The own weight of the suction pad U and the molded product 170 suctioned there
The suction pad U may be urged downward by the weight.

In a state where the molded products are attracted to each suction pad 13 as described above, the base frame 1 is horizontally moved upward to the stacking position 2. Thereafter, the base frame 1 is moved down to the stacking position 2. In this case, as shown in the figure, the individual molded products 17 already stacked on the stacking position 2 have different thicknesses or numbers, and the height of the receiving surface at each location is 18a.

Even if they are different as shown in 18b, their receiving surfaces 1
The molded product 17 can be gently lowered onto 8a and 18b. That is, in the process of the base frame 1 being lowered as described above, the molded product 17 that has been suctioned onto the receiving surface 18a by the corresponding suction pad is first superposed. By continuing to lower the base frame 1 thereafter, the molded product 17 that has been suctioned onto another suction pad on the receiving surface 18b will eventually be polymerized. When the reduced pressure inside the base frame 1 is returned to its original state after the molded products 17 are superposed on the receiving surfaces 18B and 18b, the suction pads 13 lose their ability to attract the molded products. In this state, the base frame 1 is lifted upward again and further moved to the suction position, where the next molded product is suctioned again.

When the base frame 1 is further lowered after the molded product 17 is superimposed on the receiving surface 18a as described above, in the suction unit 4 above the receiving surface 18a, the biasing member 11 is pressed against the suction pad 13. Only the guide pin 5 moves downward. In this case, the biasing force of the biasing member 11 presses the suction pad 13 onto the molded product 17, but since the biasing force of the biasing member 1 is extremely weak (as described above, the molded product
7 is suctioned by the suction pad 13, the suction pad opening is attached to the molded product 17. Accidents such as being pressed too hard on top and damaging it will not occur.

Next, FIG. 2 showing a different embodiment of the present application will be described. This figure shows a different example of the connection structure of the suction rod 13e to the base frame 1e, in which a suction rod 136 is attached to the solid guide bin 5e so as to be vertically movable. The base frame 1e and the suction pad 13e are connected by a flexible hose 4.

It should be noted that parts that are considered to have the same or equivalent structure as those in the previous figure in terms of function are given the same reference numerals as those on the front side with the letter e added thereto, and redundant explanations are omitted. (Also, in the next version, the alphabet f is added based on the same idea, and redundant explanations will be omitted.) Next, Fig. 3 shows a further different embodiment of the present application, in which the connecting body is formed into a telescopic bellows. This is an example of a simple structure.

As described above, in the present invention, a plurality of molded products 17 can be placed at the same time by suctioning the molded products 17 by using a plurality of suction pads, and moving the base frame l in that state. There is an efficiency effect in that it can be transferred from the stacking position 2 to the stacking position 2.

Moreover, even if a plurality of suction pads m, 13.13 are provided for the base frame l in order to improve efficiency, the suction pads are configured to be able to move near and far from the base frame 1. For example, when the molded products 17 that have been respectively suctioned at the suction position are moved to the stacking position 2 and then separated there, the receiving surface at the stacking position 2 has a number 1 for each suction pad.
Even if the heights are different as shown by 8a and 18b, the base frame is lowered corresponding to the lowest receiving surface 18b, and the molded product 17 is sucked at the corresponding suction pad opening to the lowest receiving surface 18b. The purpose of transferring all the molded products 17 can be achieved by releasing the suction to each suction pad after contacting the molded products 17. In this case, since the other receiving surfaces 18a are high, the molded products adsorbed by the corresponding pads contact the receiving surfaces 18a early, and the molded products are compressed by the corresponding suction pads 13. Since each of the suction pads is configured to be able to freely move toward and away from the base frame, and is only slightly biased downward, it is not subjected to large pressure force, and damage to the molded product 17 is prevented. This has the effect of enabling transportation while taking advantage of the efficiency-improving effect of simultaneous multiple transportation described above.

[Brief explanation of drawings]

The drawings show embodiments of the present application, and FIG. 7 is a vertical cross-sectional partial view of an adsorption device, and FIGS. 2 and 3 are vertical cross-sectional views showing different embodiments. DESCRIPTION OF SYMBOLS 1... Base frame, 5... Connecting member, n... Suction pad, 17... Molded product. Figure 2 Figure 3

Claims (1)

[Claims] A plurality of suction pads are provided on the lower surface of the base frame, which is configured to be able to reciprocate between the suction position and the stacking position and to be freely raised and lowered, in a hanging manner via connecting bodies. The molded products each sucked by the suction pad are moved from the suction position to the stacking position by moving the base frame, and the molded products are transferred by separating the molded products from the suction pad at the stacking position. In the suction device that is a suction device, the structure of the connecting body for connecting the suction pad and the base frame is configured to be extendable and retractable so that the suction pad and the base frame can be moved closer and closer. Moreover, the characteristic feature of the suction pad is that it is constantly urged downward with a small force that prevents the suction pad from floating toward the base frame when the suction pad is suctioning the molded product. adsorption device.